Standard_Parts_Catalogue

Page 1398 | 3.3 Hinging, Latching, Locking of Doors and Covers 2 3 l 1 l 2 d h 1 h 2 h 3 l 3 m 1 m 2 Max. return torque M R ± 10% in Nm 60 60 8,3 18,5 7,5 9,5 20 36 36 1 Hinges GN 437.3 with a spring-loaded return allow doors to be automati- cally opened and closed by means of the torsion spring. The return torque varies with the hinge opening angle. Endurance tests have shown that the torque does not change even after 100,000 opening / closing cycles. The following table shows the relationship between the opening angle and return torque. Return torque M R ± 10% in Nm 0° 90° 180° 270° 0,25 0,5 0,75 1 see also... • List of Hinge Types → Page 1284 ff. • Hinges GN 233.3 (with Spring-Loaded Return, Plastic) → Page 1399 • Hinges GN 437.1 → Page 1299 Information 1 Material 2 l 1 3 l 2 4 Type 5 Color How to order 1 2 3 4 5 GN437.3-ZD-60-60-L2-SR 4 Type L2 Spring-loaded return, closing, medium spring force R2 Spring-loaded return, opening, medium spring force • Zinc die casting ZD Powder coated Black, RAL 9005, textured finish SW Silver, RAL 9006, textured finish SR • Spring guide / Cover cap Plastic (Polyacetal POM) Temperature resistant up to 80 °C • Torsion spring Spring steel • Load Rating Information → Page 2121 • Plastic Characteristics → Page 2158 • RoHS Specification 1 5 • Stainless Steel Spacer Plates GN 2370 → Page 1350 • Stainless Steel Plates GN 2372 → Page 1351 Accessory GN 437.3 Hinges Zinc Die Casting, with Spring-Loaded Return